12775528068736 has 128 divisors (see below), whose sum is σ = 27066493396800. Its totient is φ = 5989607866368.

The previous prime is 12775528068703. The next prime is 12775528068817. The reversal of 12775528068736 is 63786082557721.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×12775528068736² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92397991 + ... + 92536153.

Almost surely, 2^{12775528068736} is an apocalyptic number.

12775528068736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12775528068736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13533246698400).

12775528068736 is an abundant number, since it is smaller than the sum of its proper divisors (14290965328064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12775528068736 is a wasteful number, since it uses less digits than its factorization.

12775528068736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138586 (or 138574 counting only the distinct ones).

The product of its (nonzero) digits is 237081600, while the sum is 67.

The spelling of 12775528068736 in words is "twelve trillion, seven hundred seventy-five billion, five hundred twenty-eight million, sixty-eight thousand, seven hundred thirty-six".